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Figure 2 | Fire Ecology

Figure 2

From: Modeling Wildfire Spread in Mountain Pine Beetle-Affected Forest Stands, British Columbia, Canada

Figure 2

Oblique aerial photographs of four of the studied fires: (A) active crown fire behaviour during a 2009 wildfire burning in early grey-attack pine fuels (Figure 1: site 2); (B) active crown fire behaviour during a 2005 wildfire, burning in red-attack pine during the height of the MPB outbreak (Figure 1: site 13); (C) example of a photo pair used to derive spread rate for a 2004 wildfire in red-attack pine, showing active crown fire (Figure 1: site 5); and (D) surface fire behaviour during the 2006 Carrot Lake experimental burning project (Figure 1: site 16). Crown fire behaviour was observed in the majority of the studied fires, even in grey-attack stands that had lost most crown foliage.

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